Final answer:
The adjectives in the sentence are 'fastest' and 'recorded'.
Step-by-step explanation:
The adjectives in the sentence are 'fastest' and 'recorded'. The word 'fastest' describes the noun 'speed' by indicating that it is the superlative form of the adjective 'fast'. The word 'recorded' describes the noun 'speed' by indicating that it has been documented or noted in the past.
Learn more about adjectives in a sentence